Showing 1520 open source projects for "firefox"

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  • 1
    Firefox for iOS

    Firefox for iOS

    Firefox for iOS

    ...Keep what’s personal private without sacrificing speed. With Firefox, you can have more control to decide what to share online and when, because your life is your business. We designed Firefox with smart browsing features that let you take your privacy, passwords, and bookmarks with you safely wherever you go. With the release of iOS 14, you can now make Firefox your go-to, get-it-done, default browser.
    Downloads: 35 This Week
    Last Update:
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  • 2
    Firefox GNOME theme

    Firefox GNOME theme

    A GNOME theme for Firefox

    ...This is a bunch of CSS code to make Firefox look closer to GNOME's native apps. The master branch of this repo supports the current Firefox stable release 105. Theme versions compatible with older Firefox releases are preserved as git tags. We also have the beta branch for fixes only applicable to the current Firefox beta version.
    Downloads: 3 This Week
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  • 3
    Progressive Web Apps for Firefox

    Progressive Web Apps for Firefox

    A tool to install, manage and use Progressive Web Apps (PWAs)

    ...Isolated Firefox installation and profile(s) that stores the PWAs.
    Downloads: 28 This Week
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  • 4
    user.js

    user.js

    Firefox privacy, security and anti-tracking: a comprehensive user.js

    ...Everyone, experts included, should at least read the wiki, as it contains important information regarding a few user.js settings. Note that we do not recommend connecting over Tor on Firefox. Use the Tor Browser if your threat model calls for it, or for accessing hidden services. Also be aware that the arkenfox user.js is made specifically for desktop Firefox. Using it as-is in other Gecko-based browsers can be counterproductive, especially in the Tor Browser.
    Downloads: 6 This Week
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  • 5
    Floorp Browser

    Floorp Browser

    All of source code of version 10 or later of Floorp Browser

    ...Floorp's layout customization is unlimited. Move the tab bar to the bottom of the window, hide the title bar, and more. Create your own Floorp. In addition to the usual Firefox theme customization, Floorp allows you to switch between five different interface designs, including OS-specific themes. Floorp is based on Firefox ESR. Floorp will be updated every 4 weeks, with security updates provided before each Firefox release. We don't collect personal information from users. We don't track users. We don't sell user data. ...
    Downloads: 107 This Week
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  • 6
    Betterfox

    Betterfox

    Firefox user.js for optimal privacy and security

    Betterfox is an opinionated configuration profile for Mozilla Firefox designed to improve everyday web browsing by making the browser faster, more private, and more secure without relying on external add-ons or third-party code. Rather than being a separate browser, it consists of a curated set of preference tweaks (user.js settings) that users apply to their Firefox profile to optimize performance and harden privacy settings.
    Downloads: 11 This Week
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  • 7
    geckodriver

    geckodriver

    WebDriver for Firefox

    ...Because geckodriver implements the W3C WebDriver standard and not the same Selenium wire protocol older drivers are using, you may experience incompatibilities and migration problems when making the switch from FirefoxDriver to geckodriver. Generally speaking, Selenium 3 enabled geckodriver as the default WebDriver implementation for Firefox. With the release of Firefox 47, FirefoxDriver had to be discontinued for its lack of support for the new multi-processing architecture in Gecko. Since geckodriver is a separate HTTP server that is a complete remote end implementation of WebDriver, it is possible to avoid using the Selenium remote server if you have no requirements to distribute processes across a matrix of systems.
    Downloads: 79 This Week
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  • 8
    Xtreme Download Manager

    Xtreme Download Manager

    Powerfull download accelerator and video downloader

    Xtreme Download Manager is a powerful tool to increase download speed up to 500%, save streaming videos from websites, resume broken/dead downloads, and schedule and convert downloads. XDM seamlessly integrates with Google Chrome, Mozilla Firefox Quantum, Opera, Vivaldi and other Chromium and Firefox-based browsers, to take over downloads and saving streaming videos from web. XDM has a built-in video converter which lets you convert your downloaded videos to different formats so that you can watch them on your mobile or TV (100+ devices are supported) XDM can download streaming content from most websites. ...
    Downloads: 78 This Week
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  • 9
    VimFx

    VimFx

    Vim keyboard shortcuts for Firefox

    VimFx brings Vim-inspired navigation and command mode to Firefox via WebExtensions. It allows users to control the browser with keyboard shortcuts (h/j/k/l), open tabs, follow links, find text, and execute commands—all without a mouse. It mimics Vim’s Normal/Insert modes, enabling power users to browse efficiently. It is open-source and integrates seamlessly with Firefox.
    Downloads: 0 This Week
    Last Update:
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  • 10
    Zen Browser

    Zen Browser

    Experience tranquillity while browsing the web

    ...Zen Browser is always up to date, ensuring that you have the latest features and security updates. With automatic updates, you can rest easy knowing that your browser is secure and up to date. Zen is based on Firefox, ensuring that your browsing experience prioritizes security and privacy.
    Downloads: 113 This Week
    Last Update:
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  • 11
    Playwright

    Playwright

    Node library to automate Chromium, Firefox & WebKit with a single API

    Playwright is a Node library for automating Chromium, Firefox and WebKit using a single API. It supports headless execution for all these browsers on Linux, macOS and Windows, providing automated web browser interactions that are fast, capable, reliable and ever-green. Playwright enables a broad spectrum of cross-browser web automation capabilities, which are used by Single Page Apps and Progressive Web Apps.
    Downloads: 38 This Week
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  • 12
    Invisible Playwright MCP

    Invisible Playwright MCP

    Playwright MCP server undetected by anti-bots and captchas

    Invisible Playwright MCP is an open-source browser automation agent that gives AI assistants control of a real Firefox-based browser through MCP. It can navigate pages, click controls, type text, select options, read page content, capture screenshots, and expose a live browser view. The underlying browser is a patched Firefox build whose identity settings are handled inside the engine rather than injected into individual pages. It can run from clients such as Claude Code, Codex, and Gemini CLI or through its own local web interface. ...
    Downloads: 10 This Week
    Last Update:
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  • 13
    Proton VPN Browser Extension

    Proton VPN Browser Extension

    Proton VPN Browser Extension

    The Proton VPN Browser Extension repository houses the code for an official browser extension that lets users quickly secure their web browsing traffic through ProtonVPN from within browsers like Firefox and Chrome without routing all system traffic. This extension provides users with a convenient way to encrypt and anonymize HTTP requests, hide IP addresses, and prevent tracking while browsing, acting independently of the full OS-level VPN clients. Because browser extensions are constrained by browser APIs, this extension focuses on securing in-browser connections, protecting privacy specifically within the browser context rather than across the entire operating system. ...
    Downloads: 124 This Week
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  • 14
    SingleFile

    SingleFile

    Web Extension for saving a copy of complete web page in a single file

    Web Extension for Firefox/Chrome/MS Edge and CLI tool to save a faithful copy of an entire web page in a single HTML file. SingleFile is a Web Extension (and a CLI tool) compatible with Chrome, Firefox (Desktop and Mobile), Microsoft Edge, Vivaldi, Brave, Waterfox, Yandex Browser, and Opera. It helps you to save a complete web page into a single HTML file.
    Downloads: 18 This Week
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  • 15
    Playwright for .NET

    Playwright for .NET

    .NET version of the Playwright testing and automation library

    Playwright for .NET is the official language port of Playwright, the library to automate Chromium, Firefox and WebKit with a single API. Playwright is built to enable cross-browser web automation that is ever-green, capable, reliable and fast. Cross-browser. Playwright supports all modern rendering engines including Chromium, WebKit, and Firefox. Cross-platform. Test on Windows, Linux, and macOS, locally or on CI, headless or headed.
    Downloads: 2 This Week
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  • 16
    Waterfox

    Waterfox

    Privacy browser built for users who value customization & control

    Waterfox is a free, open-source web browser and fork of Mozilla Firefox that’s built for users who prioritize privacy, performance, and customizability while still maintaining compatibility with modern web standards and extensions. It began as a 64-bit-focused fork and has grown into a full-featured browser available on Windows, macOS, Linux, and Android, making it a versatile alternative to mainstream browsers.
    Downloads: 92 This Week
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  • 17
    retire.js for Firefox

    retire.js for Firefox

    Find vulnerable JavaScript libraries on any page: Firefox and Android

    ...Libraries are found from file names, CDN addresses, file content and hashes, license banners, inline scripts and global variables. The panel offers filters, sorting, JSON and CSV export, a dark theme and a touch-friendly layout on Firefox for Android. Manifest V3, Apache 2.0.
    Downloads: 3 This Week
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  • 18
    Web Push PHP

    Web Push PHP

    Web Push library for PHP

    WebPush-PHP is a server-side library to send Web Push notifications to browsers using the W3C Push API standard. It supports encrypted push messages and is compatible with service workers in major browsers like Chrome and Firefox.
    Downloads: 3 This Week
    Last Update:
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  • 19
    Qttabbar

    Qttabbar

    Qttabbar is a small tool that allows you to use tab multi label func.

    Qttabbar is a small tool that allows you to use the tab multi-label function in Windows Explorer. Since then, there are no windows folders and awesome folder preview functions, which greatly improves the efficiency of your work. It’s like IE 7, and it’s like Firefox and opera. Qttabbar also provides some plug-ins, such as file operation tools, tree directory, display status bar, and so on. Qttabbar domestic optimized version is based on sf.net/projects/qttabbar/ (2012-06-17). The original author of this version has not released it. I don't know why. Adding some Chinese features is mainly for the convenience of domestic users; in addition, the capture window of quiz official website maintained by Japanese authors is not used to all the time, so this version retains the easy-to-use functionality of the capture window.
    Downloads: 25 This Week
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  • 20
    Toggl Track

    Toggl Track

    Toggl Track browser extension for Chrome and Firefox

    Track time in Toggl Track without leaving your browser and the online apps you usually spend time on. Available for Chrome and Firefox. Our browser extension (previously called Toggl Button) for Chrome and Firefox lets you track time in your favorite web tools and wherever you are on the web. The Toggl Track browser extension integrates with 100+ popular tools. Toggl Track browser extension was previously called Toggl Button. Beyond the name and colors, no other changes have been made. ...
    Downloads: 5 This Week
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  • 21
    uBlacklist

    uBlacklist

    Blocks specific sites from appearing in Google search results

    uBlacklist is a Google Search filter for Chrome and Firefox. uBlacklist requires many site permissions on install. They are necessary to support all domains where Google Search is provided (google.com, google.ac, google.ad, ...). You can install uBlacklist from Chrome Web Store, Firefox Add-ons or Mac App Store. To block a site that you are looking at from appearing on the search result page, click the toolbar icon.
    Downloads: 19 This Week
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  • 22
    Ghostery

    Ghostery

    Ghostery Browser Extension for Firefox, Chrome, Opera and Edge

    Ghostery helps you browse smarter by giving you control over ads and tracking technologies to speed up page loads, eliminate clutter, and protect your data. This is the unified code repository for the Ghostery browser extensions in Chrome, Firefox, Opera and Edge. Browse the web safer, faster & with less annoying ads. Equipped with award-winning AI anti-tracking technology to browse the websafe and quickly. Ghostery helps you stay informed about what companies are tracking you by listing the trackers on each website you visit. Granular control within the detailed view allows you to block and unblock specific trackers. ...
    Downloads: 27 This Week
    Last Update:
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  • 23
    firefox-preload

    firefox-preload

    https://easyosinstall.wordpress.com/2026/09/14/firefox-preload/

    ... 💾 Persistent user profile Bookmarks, settings, passwords and other important profile data remain stored normally, so they are preserved between sessions. 📥 Firefox in the system tray A second script uses KDocker to launch Firefox directly into the system tray. Firefox remains ready in the background without occupying space on the taskbar. 🖱️ Instant access Click the tray icon whenever Firefox is needed. It opens immediately because the browser is already running. ♻️ Automatic restart If Firefox is closed completely, the tray laun
    Downloads: 0 This Week
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  • 24
    Mithril.js

    Mithril.js

    A JavaScript framework for building brilliant applications

    ...It's small (< 10kb gzip), fast and provides routing and XHR utilities out of the box. Mithril is used by companies like Vimeo and Nike, and open source platforms like Lichess. Mithril supports IE11, Firefox ESR, and the last two versions of Firefox, Edge, Safari, and Chrome. No polyfills required. By default, Mithril views are described using hyperscript. Hyperscript offers a terse syntax that can be indented more naturally than HTML for complex tags, and since its syntax is just JavaScript, it's possible to leverage a lot of JavaScript tooling ecosystem. ...
    Downloads: 0 This Week
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  • 25
    LiveDebugger

    LiveDebugger

    Tool for debugging LiveView applications

    ...It is designed to make LiveView debugging more visual and easier to understand than relying only on logs or manual inspection. LiveDebugger can be installed as a development dependency and also offers browser DevTools extensions for Chrome and Firefox. Its main value is giving Phoenix LiveView teams a dedicated debugging experience for understanding component state, callbacks, and runtime behavior.
    Downloads: 4 This Week
    Last Update:
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